CS289 datasheet(3/8 Pages) ONSEMI

No. de pieza	CS289

Descripción Electrónicos	20mA Air-Core Tachometer Drive Circuit

PDF	8 Pages

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Fabricante Electrónico	ONSEMI [ON Semiconductor]

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Typical Performance Characteristics

SINE OUTPUT

–

VP COS Θ

VP SIN Θ

COSINE

OUTPUT

45˚

90˚

135˚

180˚

225˚

270˚

2.1

7.1

Relationship of E

Θ, Θ and Frequency

F/VOUT = 2.0V + FREQ X CT X RT X VREG

Frequency/Output Angle (

°)

Output Angle in Polar Form

Charge Pump Output Voltage

-4.5

-3.5

-2.5

-1.5

1.5

2.5

3.5

4.5

4.5V

45˚

90˚

135˚

180˚

225˚

270˚

VCOS

VSINE

2.1

3.8

5.45

7.1

Tachometer Angular Deflection (

°)

Function Generator Output Voltage

Package Pin Description: continued

PACKAGE PIN #

PIN SYMBOL

FUNCTION

Note 1: Vsine measured Vsine to VZ. VCOS measured VCOS to VZ. All other voltages specified are measured to ground.

Note 2: Max PWR dissipation

≤V

CC X ICC - (V2 Isine + V12 ICOS).

20L SO

14L PDIP

SQOUT

Buffered square wave output signal.

SQIN

Speed or RPM input signal.

VREG

Voltage regulator output.

VCOS

Cosine output signal.

VCC

Supply voltage.

Pwr Gnd

Power Ground connection.

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